Ethereum.MetaMask.Blazor 1.0.0

Ethereum.MetaMask.Blazor

Interop library for simplifying MetaMask's API for Blazor WebAssembly and Server-Side applications.

Getting Started

Register MetaMask service in IServiceCollection container.

In Blazor WebAssembly or Server-Side, just simply call the AddMetaMaskBlazor() method in services container.

builder.Services.AddMetaMaskBlazor();

Inject IMetaMaskService in razor pages

@inject IMetaMaskService MetaMaskService

or in razor class files (.razor.cs files)

[Inject]
public IMetaMaskService MetaMaskService { get; set; }

Warning

Do not call interop methods in OnInitialized when using Blazor server pre-rendering. Call interop methods only after rendering, otherwise it throws an exception. See more details

Available methods

• Connect - Connects to the wallet.
• ChangeAccount - Requests to change account.
• IsMetaMaskAvailable - Checks whether MetaMask is installed or not in browser.
• IsSiteConnected - Checks whether the site is connected to MetaMask or not.
• GetSelectedAddress - Gets current address.
• GetSelectedChain - Gets current chain.
• GetBalance - Gets balance of the given address.
• GetTokenBalance - Gets balance of the custom token.
• SendTransaction - Creates a new message call transaction.
• RequestRpc - Makes an RPC call.

Events

• AccountsChanged - Raises when user changes account.
• ChainChanged - Raises when user changes chain.
• MessageReceived - Raises when user receives some message that the consumer should be notified of.
• Connect - Raises when user connects to MetaMask.
• Disconnect - Raises when user disconnects from MetaMask.

Samples

Check out sample blazor wasm and server applications here